mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Two lines

Let A and B be two straight lines such that the gradient of A is the y-intercept of B and the y-intercept of A is the gradient of B (the gradient and y-intercept of A are not the same). What are the co-ordinates of the point where the lines meet?

Show answer & extension

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

triangle numbers tangents even numbers polygons square roots geometric mean tiling people maths sequences combinatorics geometric means percentages integration axes cubics cryptic clues trigonometry chess digital products perimeter dates squares numbers taxicab geometry books gerrymandering chocolate sums colouring lines partitions digital clocks pentagons matrices pascal's triangle palindromes balancing division factors time surds crossnumber means prime numbers arrows logic tournaments floors factorials median cards planes functions sport algebra parabolas integers dominos averages determinants spheres routes wordplay consecutive numbers square numbers ellipses coins expansions clocks triangles unit fractions odd numbers perfect numbers scales christmas volume advent digits area doubling proportion geometry 3d shapes dodecagons number consecutive integers indices elections circles shapes chalkdust crossnumber folding tube maps symmetry coordinates irreducible numbers bases sets menace multiples fractions ave graphs cryptic crossnumbers calculus crosswords quadratics regular shapes rugby the only crossnumber binary sum to infinity crossnumbers albgebra games polynomials decahedra complex numbers quadrilaterals money products hexagons angles 2d shapes probability speed differentiation probabilty shape mean addition cube numbers multiplication star numbers remainders dice rectangles range grids

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024